Castellum, Inc. (CTM)

SEC FORM 4CLUSTER · 4 INSIDERS

$3,151.26

Purchase of 5,888 shares across 4 reporting persons.

Transaction Code P · Reporting Persons 4

Ives Glen R, PresidentPurchase of 1,700 shares at $0.5352 per share.$909.84
Merriman Andrew, Chief Operating OfficerPurchase of 1,396 shares at $0.5352 per share.$747.14
Bell David T, Chief Financial OfficerPurchase of 1,396 shares at $0.5352 per share.$747.14
MARTIN TAMMY L, General Counsel and SecretaryPurchase of 1,396 shares at $0.5352 per share.$747.14

Surfaced by rule: 4 distinct insiders, open-market purchases, 7-day window — a deterministic filter, not a recommendation.

Traded Oct 1, 2026 · Disclosed Oct 1, 2026

Source: SEC Form 4 · 0001877939-26-000084 · filed 2026-10-01 · View filing →

Source: SEC Form 4 · 0001877939-26-000085 · filed 2026-10-01 · View filing →

Source: SEC Form 4 · 0001877939-26-000086 · filed 2026-10-01 · View filing →

Source: SEC Form 4 · 0001877939-26-000087 · filed 2026-10-01 · View filing →

SEC FORM 4

$24,772.00

Purchase of 40,000 shares at $0.6193 per share.

Reporting Person Merriman Andrew · Officer Title Chief Operating Officer · Transaction Code P

Traded Sep 9, 2026 · Disclosed Sep 9, 2026

Source: SEC Form 4 · 0001877939-26-000079 · filed 2026-09-09 · View filing →

SEC FORM 4

$6,200.00

Purchase of 10,000 shares at $0.62 per share.

Reporting Person Merriman Andrew · Officer Title Chief Operating Officer · Transaction Code P

Traded Sep 9, 2026 · Disclosed Sep 9, 2026

Source: SEC Form 4 · 0001877939-26-000079 · filed 2026-09-09 · View filing →